Home / 187,777.52-258,991.70-130,416.91

Finding the Fourth Proportional to 187,777.52, 258,991.70 and 130,416.91

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Solution

The fourth proportional to 187,777.52, 258,991.70 and 130,416.91 is: 179,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,777.52 : 258,991.70 = 130,416.91 : x
  2. Step 2: Convert to fraction form
    187,777.52/258,991.70 = 130,416.91/x
  3. Step 3: Cross multiply
    187,777.52x = 258,991.70 × 130,416.91
  4. Step 4: Simplify right side
    187,777.52x = 33,776,897,229.65
  5. Step 5: Solve for x
    x = 33,776,897,229.65/187,777.52
  6. Step 6: Final answer
    x = 179,877.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.